capital letters

noun
UK /ˌkæpɪtl ˈletəz/
US /ˌkæpɪtl ˈletərz/

Capital letters are the big letters you use at the start of a name or sentence.

The word 'London' begins with a capital letter.


OTHER MEANINGS

2. The large form of a letter used for emphasis or in headings.

The title was printed in capital letters so everyone could read it.

3. Letters written in a formal, block style rather than joined-up writing.

Please write your name in capital letters on the form.

4. A way of writing that uses only big letters, sometimes seen as shouting online.

Typing a whole message in capital letters can seem like shouting.